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                    1. WebElements Home WebElements
                      web site. A classic book showing many forms of the periodic table in print is: Edward G. Mazurs, Periodic representations of the periodic system during one hundred years网络斗地主下载, University of Alabama Press USA, 2nd edition, 1974. ISBN: 0-8173-3200-6.

                      Explore the chemical elements through this (standard) periodic table

                      Group 1 2   3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
                      Period
                      1
                      1
                      1.008
                      Hydrogen
                      2
                      4.0026
                      Helium
                      2
                      3
                      6.94
                      Lithium
                      4
                      9.0122
                      Beryllium
                      5
                      10.81
                      Boron
                      6
                      12.011
                      Carbon
                      7
                      14.007
                      Nitrogen
                      8
                      15.999
                      Oxygen
                      9
                      18.998
                      Fluorine
                      10
                      20.180
                      Neon
                      3
                      11
                      22.990
                      Sodium
                      12
                      24.305
                      Magnesium
                      13
                      26.982
                      Aluminium
                      14
                      28.085
                      Silicon
                      15
                      30.974
                      Phosphorus
                      16
                      S
                      32.06
                      Sulfur
                      17
                      35.45
                      Chlorine
                      18
                      39.948
                      Argon
                      4
                      19
                      39.098
                      Potassium
                      20
                      40.078
                      Calcium
                      21
                      44.956
                      Scandium
                      22
                      47.867
                      Titanium
                      23
                      50.942
                      Vanadium
                      24
                      51.996
                      Chromium
                      25
                      54.938
                      Manganese
                      26
                      55.845
                      Iron
                      27
                      58.933
                      Cobalt
                      28
                      58.693
                      Nickel
                      29
                      63.546
                      Copper
                      30
                      65.38
                      Zinc
                      31
                      69.723
                      Gallium
                      32
                      72.630
                      Germanium
                      33
                      74.922
                      Arsenic
                      34
                      78.971
                      Selenium
                      35
                      79.904
                      Bromine
                      36
                      83.798
                      Krypton
                      5
                      37
                      85.468
                      Rubidium
                      38
                      87.62
                      Strontium
                      39
                      88.906
                      Yttrium
                      40
                      91.224
                      Zirconium
                      41
                      92.906
                      Niobium
                      42
                      95.95
                      Molybdenum
                      43
                      Tc
                      96.906
                      Technetium
                      44
                      101.07
                      Ruthenium
                      45
                      102.91
                      Rhodium
                      46
                      106.42
                      Palladium
                      47
                      107.87
                      Silver
                      48
                      112.41
                      Cadmium
                      49
                      114.82
                      Indium
                      50
                      118.71
                      Tin
                      51
                      121.76
                      Antimony
                      52
                      127.60
                      Tellurium
                      53
                      126.90
                      Iodine
                      54
                      131.29
                      Xenon
                      6
                      55
                      132.91
                      Caesium
                      56
                      137.33
                      Barium
                      *
                      71
                      174.97
                      Lutetium
                      72
                      178.49
                      Hafnium
                      73
                      180.95
                      Tantalum
                      74
                      183.84
                      Tungsten
                      75
                      186.21
                      Rhenium
                      76
                      190.23
                      Osmium
                      77
                      192.22
                      Iridium
                      78
                      195.08
                      Platinum
                      79
                      196.97
                      Gold
                      80
                      200.59
                      Mercury
                      81
                      204.38
                      Thallium
                      82
                      207.2
                      Lead
                      83
                      208.98
                      Bismuth
                      84
                      Po
                      208.98
                      Polonium
                      85
                      At
                      209.99
                      Astatine
                      86
                      Rn
                      222.02
                      Radon
                      7
                      87
                      Fr
                      223.02
                      Francium
                      88
                      Ra
                      226.03
                      Radium
                      **
                      103
                      Lr
                      262.11
                      Lawrencium
                      104
                      Rf
                      267.12
                      Rutherfordium
                      105
                      Db
                      270.13
                      Dubnium
                      106
                      Sg
                      269.13
                      Seaborgium
                      107
                      Bh
                      270.13
                      Bohrium
                      108
                      Hs
                      269.13
                      Hassium
                      109
                      Mt
                      278.16
                      Meitnerium
                      110
                      Ds
                      281.17
                      Darmstadtium
                      111
                      Rg
                      281.17
                      Roentgenium
                      112
                      Cn
                      285.18
                      Copernicium
                      113
                      Nh
                      286.18
                      Nihonium
                      114
                      Fl
                      289.19
                      Flerovium
                      115
                      Mc
                      289.20
                      Moscovium
                      116
                      Lv
                      293.20
                      Livermorium
                      117
                      Ts
                      293.21
                      Tennessine
                      118
                      Og
                      294.21
                      Oganesson
                       
                      *Lanthanoids *
                      57
                      138.91
                      Lanthanum
                      58
                      140.12
                      Cerium
                      59
                      140.91
                      Praseodymium
                      60
                      144.24
                      Neodymium
                      61
                      Pm
                      144.91
                      Promethium
                      62
                      150.36
                      Samarium
                      63
                      151.96
                      Europium
                      64
                      157.25
                      Gadolinium
                      65
                      158.93
                      Terbium
                      66
                      162.50
                      Dysprosium
                      67
                      164.93
                      Holmium
                      68
                      167.26
                      Erbium
                      69
                      168.93
                      Thulium
                      70
                      173.05
                      Ytterbium
                      **Actinoids **
                      89
                      Ac
                      227.03
                      Actinium
                      90
                      Th
                      232.04
                      Thorium
                      91
                      Pa
                      231.04
                      Protactinium
                      92
                      U
                      238.03
                      Uranium
                      93
                      Np
                      237.05
                      Neptunium
                      94
                      Pu
                      244.06
                      Plutonium
                      95
                      Am
                      243.06
                      Americium
                      96
                      Cm
                      247.07
                      Curium
                      97
                      Bk
                      247.07
                      Berkelium
                      98
                      Cf
                      251.08
                      Californium
                      99
                      Es
                      252.08
                      Einsteinium
                      100
                      Fm
                      257.10
                      Fermium
                      101
                      Md
                      258.10
                      Mendelevium
                      102
                      No
                      259.10
                      Nobelium

                      网络斗地主下载The standard form of the periodic table shown here includes periods (shown horizontally) and groups (shown vertically). The properties of elements in groups are similar in some respects to each other.

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